A bacterial, parasitic, or fungal abscess that develops in the liver. It is usually the result of an abdominal infection, trauma, or surgery in the right upper quadrant. Signs and symptoms include abdominal pain, nausea, vomiting, and fever.

Solitary or multiple collections of pus within the liver as a result of infection by bacteria, protozoa, or other agents.

Solitary or multiple collections of pus within the liver; usually associated with systemic manifestations of toxemia and clinical signs of disease in the right upper quadrant of the abdomen.